Kent Britain/WA5VJB — Antennas for Surveillance — DEF CON 27 Wireless Village

Care and feeding of Software Defined Radios We will cover the various kinds of antennas available to optimized your SDR radio for different types of spectrum monitoring. We will also explain why RF filters are necessary on most SDR’s and when Low Noise Amplifiers help, and when Low Noise Amplifiers hurt reception.